(optics, of a lens) Having surfaces with the same radius of curvature.
equiexcellency
quincunx
quincunx
noun
(astrology) An angle of five-twelfths of a circle, or 150°, between two objects.
(historical, numismatics) A bronze coin minted during the Roman Republic, valued at five-twelfths of an as.
A Galton board.
An arrangement of five units with four forming the corners of a square and the fifth at the centre of the square, a pattern corresponding to the five-spot on dice, playing cards, or dominoes.
quincunxes
quincunxes
noun
plural of quincunx
quincunxial
quincunxial
adj
Alternative spelling of quincuncial
quixotic
quixotic
adj
Resembling or characteristic of the Spanish chivalric hero Don Quixote; possessed with or resulting from the desire to do noble and romantic deeds, without thought of realism and practicality; exceedingly idealistic.